CN107560072A - Multi-split air conditioner and its control method and storage medium - Google Patents
Multi-split air conditioner and its control method and storage medium Download PDFInfo
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- CN107560072A CN107560072A CN201710761610.7A CN201710761610A CN107560072A CN 107560072 A CN107560072 A CN 107560072A CN 201710761610 A CN201710761610 A CN 201710761610A CN 107560072 A CN107560072 A CN 107560072A
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Abstract
The present invention discloses a kind of control method of multi-split air conditioner, and the control method of the multi-split air conditioner comprises the following steps：At the end of defrosting or oil return is detected, the aperture of the electric expansion valve in interior machine is not opened in increase, to remove the condensation do not opened on the heat exchanger of interior machine；When being completed except condensation, recover described in do not open the electric expansion valve of interior machine to initial opening.Invention additionally discloses a kind of multi-split air conditioner and storage medium.In technical solution of the present invention, after defrosting or oil return terminate, the aperture of the electric expansion valve in interior machine is not opened by increase, so that in heating operations, increase enters the coolant quantity for not opening interior machine heat exchanger, to remove the condensation do not opened on the heat exchanger of interior machine, realize that the heat exchanger appearance for keeping not opening interior machine for a long time in real time keeps drying no condensation.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of multi-split air conditioner and its control method and and deposit
Storage media.
Background technology
With the development of science and technology, the living standard of people also constantly improves, air-conditioning generally enters family, especially
Multi-split air conditioner is more favored by people.One drags more air-conditionings to have multiple interior machines and an outer machine, and multiple interior machines are shared outside one
Machine, so interior machine can be used in multiple rooms, facilitate and save the installation of multiple outer machines.More air-conditionings are dragged for one, due to sometimes
Indivedual room no mans are waited in use, the interior machine in room is without opening, therefore one drags more air-conditionings to be often non-full-gear operation,
One, which drags interior machine when being run under the non-full-gear of more indoor apparatus of air conditioner, do not opened to correspond to the aperture of electronic expansion hair, to be in
Full closing state, do not open so in interior machine and have refrigerant yet and flow through.
One drag under the non-full-gear of more indoor apparatus of air conditioner run heating when, according to the change of outdoor survey environment, system can transport
Row reverse cycle defrosting process, or when system heats in low frequency for a long time, system can switch to the inverse circulation oil return process of high frequency,
System operation defrosts during the inverse circulation oil return of process or high frequency, does not open and has low-temperature refrigerant in interior machine and flow through, however, working as
When indoor room air humidity is higher, interior machine evaporator is not opened serious condensation situation, condensation long time sedimentation nearby occurs
Bacteria breed in indoor set can be caused, influences space air quality, meanwhile, condensed water deposition causes dust to build up, and forms dirt
Indoor set heat exchanger performance is seriously undermined.
The content of the invention
It is a primary object of the present invention to provide a kind of control method of multi-split air conditioner, it is intended to solve one and drag more air-conditionings
Nearby there is serious condensation situation in the interior machine heat exchanger of not opening of device, influences space air quality and interior machine heat exchanger performance
The problem of.
To achieve the above object, the present invention provides a kind of control method of multi-split air conditioner, it is characterised in that described one
The control method of one driving multiple-unit air conditioner comprises the following steps：
At the end of defrosting or oil return is detected, the aperture of the electric expansion valve in interior machine is not opened in increase, to remove not
Condensation in unlatching on the heat exchanger of machine；
When being completed except condensation, recover described in do not open the electric expansion valve of interior machine to initial opening.
Preferably, the control method of the multi-split air conditioner also includes：
At the end of defrosting or oil return is detected, the first temperature of the heat exchanger for not opening interior machine is obtained；
Judge whether first temperature is less than or equal to the first preset temperature；
When first temperature is less than or equal to the first preset temperature, the electronics for increasing and not opening in interior machine is performed
The step of aperture of expansion valve.
Preferably, after the step of aperture of the electric expansion valve in interior machine, is not opened in the increase, in addition to：
After the first prefixed time interval, obtain described in do not open interior machine heat exchanger second temperature, wherein, described the
Two temperature are more than first temperature；
Judge whether the second temperature is more than the first preset temperature；
When the second temperature is more than the first preset temperature, the blower fan of interior machine is not opened described in unlatching, is not opened with removing
Open the condensation on the heat exchanger of interior machine.
Preferably, it is described judge the step of whether first temperature is less than or equal to the first preset temperature after, also wrap
Include：
When first temperature is more than the first preset temperature, the aperture of the electric expansion valve in interior machine is not opened in increase,
And the blower fan of interior machine is not opened described in opening, to remove the condensation do not opened on the heat exchanger of interior machine.
Preferably, it is described except condensation is completed when the step of after, the control method of the multi-split air conditioner also includes：
The blower fan of interior machine is not opened described in closing.
Preferably, the control method of the multi-split air conditioner also includes：
When detecting that the heat exchange temperature for not opening interior machine is more than or equal to the second preset temperature, judge except condensation is complete
Into, wherein, second preset temperature sets temperature more than first preset temperature.
Preferably, the control method of the multi-split air conditioner also includes：
After the prefixed time interval of aperture second of the electric expansion valve during interior machine is not opened in increase, judge except condensation is complete
Into, wherein, first prefixed time interval is less than second prefixed time interval.
Preferably, the control method of the multi-split air conditioner also includes：
After the enabling signal for receiving interior machine, judge whether not open interior machine；
Have when not opening interior machine, whether detection multi-split air conditioner is in defrosting or oil return state；
Multi-split air conditioner is being detected in defrosting or oil return state, and when detecting that defrosting or oil return are completed, is being held
The step of aperture of the electric expansion valve in interior machine, is not opened in the row increase.
To achieve the above object, the present invention also provides a kind of multi-split air conditioner, it is characterised in that described one drags more air-conditionings
Device includes memory, processor and is stored in the computer program that can be run on the memory and on the processor, institute
The step of control method of above-mentioned multi-split air conditioner is realized when stating computer program by the computing device.
To achieve the above object, the present invention also provides a kind of storage medium, it is characterised in that is stored in the storage medium
There is the control program of multi-split air conditioner heating operations, the control program of the multi-split air conditioner heating operations is held by processor
The step of control method of above-mentioned multi-split air conditioner is realized during row.
Control method, multi-split air conditioner and the storage medium for a kind of multi-split air conditioner that the embodiment of the present invention proposes,
After defrosting or oil return terminate, the aperture of the electric expansion valve in interior machine is not opened by increase so that in heating operations, increase
Into the coolant quantity for not opening interior machine heat exchanger, to remove the condensation do not opened on the heat exchanger of interior machine, realize and keep length in real time
The heat exchanger appearance that time does not open interior machine keeps drying no condensation.
Brief description of the drawings
Fig. 1 be the hardware running environment that scheme of the embodiment of the present invention is related to terminal apparatus structure schematic diagram；
Fig. 2 is the schematic flow sheet of the control method first embodiment of multi-split air conditioner of the present invention；
Fig. 3 is the schematic flow sheet of the control method second embodiment of multi-split air conditioner of the present invention；
Fig. 4 is the schematic flow sheet of the control method 3rd embodiment of multi-split air conditioner of the present invention；
Fig. 5 is the schematic flow sheet of the control method fourth embodiment of multi-split air conditioner of the present invention；
Fig. 6 is the schematic flow sheet of the embodiment of control method the 5th of multi-split air conditioner of the present invention；
Fig. 7 is the schematic flow sheet of the control method sixth embodiment of multi-split air conditioner of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are：At the end of defrosting or oil return is detected, interior machine is not opened in increase
In electric expansion valve aperture, do not open condensation on the heat exchanger of interior machine to remove；When being completed except condensation, described in recovery
The electric expansion valve of interior machine is not opened to initial opening.
Due in the prior art, one drags when heating is run under the non-full-gear of more indoor apparatus of air conditioner, when system operation defrosts
During the inverse circulation oil return of process or high frequency, do not open and have low-temperature refrigerant in interior machine and flow through, however, working as indoor room air
When humidity is higher, interior machine evaporator is not opened serious condensation situation nearby occurs, condensation long time sedimentation can cause indoor set
Middle bacteria breed, space air quality is influenceed, meanwhile, condensed water deposition causes dust to build up, and forms dirt and has seriously undermined room
Interior machine heat exchanger performance.
The present invention provides a solution, when one drags and runs heating under the non-full-gear of more indoor apparatus of air conditioner, to not
Drive interior machine to carry out removing condensation so that keep drying not have condensation state in real time on the heat exchanger of Nei Kainei machines, improve interior machine heat exchange
The performance of device.
As shown in figure 1, Fig. 1 is the terminal structure schematic diagram for the hardware running environment that scheme of the embodiment of the present invention is related to.
Terminal of the embodiment of the present invention can drag the smart machines such as more air-conditionings or smart mobile phone, tablet personal computer.
As shown in figure 1, the terminal can include：Processor 1001, such as CPU, network interface 1004, user interface
1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is used to realize the connection communication between these components.
User interface 1003 can include display screen (Display), input block such as keyboard (Keyboard), optional user interface
1003 can also include wireline interface, the wave point of standard.Network interface 1004 can optionally connect including the wired of standard
Mouth, wave point (such as WI-FI interfaces).Memory 1005 can be high-speed RAM memory or stable memory
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
It will be understood by those skilled in the art that shown in Fig. 1 one drags more air conditioner structures not form to drag more air-conditionings to one
Restriction, can include than illustrating more or less parts, either combine some parts or different parts arrangement.Example
Such as, multi-split air conditioner structure can also include sensor, the electric expansion valve of outer machine and each interior machine and blower fan etc., sensing
Device is arranged on the detected part in multi-split air conditioner, such as on the heat exchanger of interior machine, sensor, outer machine and each interior machine
Electric expansion valve and blower fan electrically connected with processor 1001, processor 1001 passes through the triggering control of the induced signal of sensor
Instruction, control electric expansion valve and blower fan work.Wherein, sensor ratio such as temperature sensor and humidity sensor etc..
As shown in figure 1, as in a kind of memory 1005 of storage medium can include operating system, network service mould
The control application program of block, Subscriber Interface Module SIM and multi-split air conditioner.
In the terminal shown in Fig. 1, network interface 1004 is mainly used in connecting background server, is carried out with background server
Data communicate；User interface 1003 is mainly used in connecting client (user terminal), enters row data communication with client；And processor
1001 can be used for calling the control application program of multi-split air conditioner stored in memory 1005, and perform following operate：
At the end of defrosting or oil return is detected, the aperture of the electric expansion valve in interior machine is not opened in increase, to remove not
Condensation in unlatching on the heat exchanger of machine；
When being completed except condensation, recover described in do not open the electric expansion valve of interior machine to initial opening.
Further, processor 1001 can call the control application journey of the multi-split air conditioner stored in memory 1005
Sequence, also perform following operate：
At the end of defrosting or oil return is detected, the first temperature of the heat exchanger for not opening interior machine is obtained；
Judge whether first temperature is less than or equal to the first preset temperature；
When first temperature is less than or equal to the first preset temperature, the electronics for increasing and not opening in interior machine is performed
The step of aperture of expansion valve.
Further, processor 1001 can call the control application journey of the multi-split air conditioner stored in memory 1005
Sequence, also perform following operate：
After the first prefixed time interval, obtain described in do not open interior machine heat exchanger second temperature, wherein, described the
Two temperature are more than first temperature；
Judge whether the second temperature is more than the first preset temperature；
When the second temperature is more than the first preset temperature, the blower fan of interior machine is not opened described in unlatching, is not opened with removing
Open the condensation on the heat exchanger of interior machine.
Further, processor 1001 can call the control application journey of the multi-split air conditioner stored in memory 1005
Sequence, also perform following operate：
When first temperature is more than the first preset temperature, the aperture of the electric expansion valve in interior machine is not opened in increase,
And the blower fan of interior machine is not opened described in opening, to remove the condensation do not opened on the heat exchanger of interior machine.
Further, processor 1001 can call the control application journey of the multi-split air conditioner stored in memory 1005
Sequence, also perform following operate：
The blower fan of interior machine is not opened described in closing.
Further, processor 1001 can call the control application journey of the multi-split air conditioner stored in memory 1005
Sequence, also perform following operate：
When detecting that the heat exchange temperature for not opening interior machine is more than or equal to the second preset temperature, judge except condensation is complete
Into, wherein, second preset temperature is more than first preset temperature.
Further, processor 1001 can call the control application journey of the multi-split air conditioner stored in memory 1005
Sequence, also perform following operate：
After the prefixed time interval of aperture second of the electric expansion valve during interior machine is not opened in increase, judge except condensation is complete
Into, wherein, first prefixed time interval is less than second prefixed time interval.
Further, processor 1001 can call the control application journey of the multi-split air conditioner stored in memory 1005
Sequence, also perform following operate：
After the enabling signal for receiving interior machine, judge whether not open interior machine；
Have when not opening interior machine, whether detection multi-split air conditioner is in defrosting or oil return state；
Multi-split air conditioner is being detected in defrosting or oil return state, and when detecting that defrosting or oil return are completed, is being held
The step of aperture of the electric expansion valve in interior machine, is not opened in the row increase.
Reference picture 2, the first embodiment of the control method of multi-split air conditioner provided by the invention, described one drags more air-conditionings
The control method of device includes：
Step S10, at the end of defrosting or oil return is detected, the aperture of the electric expansion valve in interior machine is not opened in increase,
To remove the condensation do not opened on the heat exchanger of interior machine；
In the present invention, when running heating, system needs to run defrosting or oil return pattern multi-split air conditioner, to improve sky
The performance of device is adjusted, but in system operation defrosting or oil return pattern, interior machine is in refrigeration mode, in this way, do not open
Interior chance has low-temperature refrigerant to flow through, in order to prevent from not opening the heat exchanger of interior machine condensation shadow caused by the influence of environment indoors
The performance and indoor environment of machine in sound, after defrosting or oil return terminate, the heat exchanger for not opening interior machine is defrosted
Processing, to the heat exchanger for not opening interior machine carry out except condensation processing mode have it is a variety of, for example, can be by will not open interior machine
Electric expansion valve is opened, and when system returns to heating mode, high temperature refrigerant does not open changing for interior machine into this when allowing the system to heat
In hot device so that do not open the heat exchange temperature rise of interior machine, remove the condensation of heat exchanger outer surface；Or can be by opening
Open the blower fan of interior machine, dry up the condensation of heat exchanger outer surface by blower fan, which be applied to heat exchange temperature it is less low when；
Or firing equipment is set at the heat exchanger tube for not opening interior machine, at the end of defrosting or oil removing, the firing equipment is opened,
Increase the temperature of heat exchanger tube, remove the condensation of heat exchange pipe external surface, the blower fan for not opening interior machine can also be opened simultaneously, accelerate to remove
Remove the condensation of heat exchange pipe external surface.The present embodiment does not preferably open electronic expansion valve opening in interior machine using increase, passes through heating
When high temperature refrigerant heating except condensation mode.
It is understood that in the present embodiment, increase do not open the electronic expansion valve opening in interior machine mode have it is a variety of,
For example, first default aperture P can be increased to by default, the first default aperture P is more than initial opening, namely is detecting
At the end of defrosting or oil return, increase does not open electric expansion valve in interior machine to the first default aperture P；It can also be increased by default
Big certain opening value Δ P, namely adjust after electric expansion valve increases Δ P opening values from initial opening to the second aperture, wherein Δ P
Opening value is more than 1, it is preferable that Δ P opening values are 30 steps.
Step S20, when being completed except condensation, recover described in do not open the electric expansion valve of interior machine to initial opening.
In the present embodiment, except the decision procedure that condensation is completed can not open the temperature of the heat exchanger of interior machine by detection,
Judge whether to reach the default temperature value except when condensation is completed, if more than this it is default except condensation is completed when temperature value,
Judge except condensation is completed；Or surface moisture/aridity of the heat exchanger of interior machine can not be opened by detection, if surface moisture
Aridity less than or equal to default humidity value/surface is more than or equal to default drying values, then judges except condensation is completed；Or
Person can also since increase do not open the electronics valve opening of interior machine, to the certain predetermined time after judge except condensation complete.Certainly,
Except the decision procedure that condensation is completed can also be other modes, will not be repeated here.
Because the aperture of the electric expansion valve of interior machine is not opened in long-time increase, the waste of refrigerant can be caused, thus except
After the completion of condensation, the electric expansion valve for not opening interior machine is recovered to initial opening, i.e., not influence the normal use of heating,
It turn avoid the waste of refrigerant.
In the technical scheme that the present embodiment provides, after defrosting or oil return terminate, do not opened in interior machine by increase
The aperture of electric expansion valve so that in heating operations, increase enters the coolant quantity for not opening interior machine heat exchanger, is not opened with removing
Condensation on the heat exchanger of interior machine, realize that the heat exchanger appearance for keeping not opening interior machine for a long time in real time keeps drying without solidifying
Dew.
Further, reference picture 3, the second embodiment of the control method of multi-split air conditioner provided by the invention, are based on
Embodiment shown in above-mentioned Fig. 2, the control method of the multi-split air conditioner also include：
Step S30, at the end of defrosting or oil return is detected, obtain the first temperature of the heat exchanger for not opening interior machine；
Step S40, judges whether first temperature is less than or equal to the first preset temperature；
When first temperature is less than or equal to the first preset temperature, performs to increase described in step S10 and do not open interior machine
In electric expansion valve aperture the step of.
Because in defrosting or oil removal process, the heat exchanger for not opening interior machine has low temperature refrigerant to flow through, defrosting meeting is being detected
At the end of oil return, the heat exchanger for not opening interior machine is carried out except condensation is handled.After defrosting or oil return terminate, judge at this temperature
Heat exchanger can or can not produce condensation in this context, and then be easy to take except condensation processing.Wherein, heat exchange at this temperature is judged
Device can or can not produce in this context condensation mode have it is a variety of, for example, can according to test preset temperature critical value, when described
When heat exchange temperature is less than the temperature threshold value, the heat exchanger can produce condensation in this context, conversely, then will not.Or
By the humidity for the heat exchanger outer surface for judging not opening interior machine, humidity critical value is preset, it is wet when the heat exchanger outer surface
When degree is more than default humidity critical value, then the heat exchanger can produce condensation in this context, conversely, then will not.
The present embodiment is preferably provided with temperature detecting module in the medium position for the heat exchanger for not opening interior machine, passes through temperature
The change of the temperature and its temperature of the heat exchanger of interior machine is not opened in detection module detection, to judge whether to need to remove condensation.
When the heat exchange temperature for not opening interior machine is too low, in order to prevent during except condensation, using different except solidifying
Dew mode can cause large effect to indoor environment, be preset in except can influence the critical of indoor environment comfortableness during condensation
Value, i.e., described first preset temperature, when the temperature for not opening interior machine heat exchanger is less than the first preset temperature, prevent temperature mistake
Low, opening blower fan influences indoor environment, the aperture that the electric expansion valve of interior machine is not opened in increase is only suitable for, to remove outside heat exchanger
The condensation on surface；And when the temperature for not opening interior machine heat exchanger is higher than the first preset temperature, increase can be used not open interior machine
Electric expansion valve aperture while, blower fan can also be opened, to accelerate to remove the condensation of heat exchanger outer surface.Wherein, institute
It can be any desired value to state the first preset temperature, it is preferable that the first preset temperature can take 28 °C.
Step S50, when first temperature is more than the first preset temperature, the electric expansion valve in interior machine is not opened in increase
Aperture, and open the blower fan for not opening interior machine, do not open the condensation on the heat exchanger of interior machine with removing.
In the present embodiment, the heat exchange temperature for not opening interior machine by obtaining coagulates to judge that the temperature of heat exchanger whether there is
Dew, and when judging that heat exchange temperature is excessively low, the aperture of the electric expansion valve of interior machine is not opened in only increase, passes through high temperature refrigerant
Heating heat exchanger, so as to remove the condensation on heat exchanger outer surface；And when judging that heat exchange temperature is not low, then increase and do not open
While the electronic expansion valve opening of interior machine, blower fan is opened, to accelerate to remove the condensation on heat exchanger outer surface, it is seen then that this reality
Apply in example, remove the condensation of heat exchanger outer surface in different ways by not excess temperature, ensure not opening the room where interior machine
It is this except the mode of condensation is more excellent while interior environment except condensation by not influenceed.
Reference picture 4, the 3rd embodiment of the control method of multi-split air conditioner provided by the invention, based on above-mentioned Fig. 2 institutes
The embodiment shown, the control method of the multi-split air conditioner include：
Step S60, after the first prefixed time interval, the second temperature of the heat exchanger of interior machine is not opened described in acquisition, its
In, the second temperature is more than first temperature；
Step S70, judges whether the second temperature is more than the first preset temperature；
Step S80, when the second temperature is more than the first preset temperature, the blower fan of interior machine is not opened described in unlatching, with
Remove the condensation do not opened on the heat exchanger of interior machine.
At the end of defrosting or oil return, the first temperature of the heat exchanger for not opening interior machine, and the first of the acquisition are obtained
Temperature is less than or equal to the first preset temperature, and the electronic expansion valve opening of interior machine is not opened in only increase, to increase high temperature refrigerant stream
The flow of heat exchanger through not opening interior machine.In order to increase the condensation for removing the heat exchanger outer surface for not opening interior machine, save high
Warm refrigerant is flowed into the heat exchanger for not opening interior machine, presets intervals and then the temperature of the secondary detection heat exchanger,
When detected second temperature is more than the first preset temperature, then the blower fan for not opening interior machine can be opened, with assisted with high-temperature refrigerant
Except condensation, accelerate to remove the condensation of heat exchanger outer surface.Wherein, it can be any fit value that the blower fan, which opens rotating speed, preferably
Ground, rotation speed of fan 250r/min.
It is understood that in the present embodiment, at the end of defrosting or oil return, the of the heat exchanger of not opening interior machine is obtained
One temperature, and the first temperature of the acquisition is less than or equal to the first preset temperature, the electronic expansion of interior machine is not opened in only increase
Valve opening, can also be by examining after increasing the step of high temperature refrigerant flows through the flow for the heat exchanger for not opening interior machine in real time
The temperature of the heat exchanger is surveyed, obtains the temperature changing process of the heat exchanger, when the temperature of acquired heat exchanger reaches the
During one preset temperature, the blower fan of interior machine is not opened described in unlatching.
Reference picture 5, the fourth embodiment of the control method of multi-split air conditioner provided by the invention, based on above-mentioned Fig. 3 institutes
The embodiment shown or the embodiment shown in above-mentioned Fig. 4, the control method of the multi-split air conditioner include：Do not opened described in closing
The blower fan of interior machine.
During based on embodiment shown in above-mentioned Fig. 3, in step S50, opening for the electric expansion valve in interior machine is not opened in increase
Degree, and after opening the blower fan for not opening interior machine, when being completed except condensation, perform step S100, do not opened described in recovery interior
The electric expansion valve of machine does not open the blower fan of interior machine to initial opening, and described in closing.
During based on embodiment shown in above-mentioned Fig. 4, in step S80, after opening the blower fan for not opening interior machine, except coagulating
When dew is completed, step S90 is performed, does not open the blower fan and step S20 of interior machine described in closing, does not open the electricity of interior machine described in recovery
Sub- expansion valve is to initial opening, it is possible to understand that step S20 and step S90 can simultaneously carry out or successively carry out, sequencing can
It is any to exchange.
In the present embodiment, the blower fan for not opening interior machine described in closing is based on during condensation is removed, and does not open interior machine
After blower fan is opened, performed after the completion of except condensation.Namely after defrosting or oil return terminate, carry out during removing condensation, open
That does not open the blower fan of interior machine to accelerate not open the heat exchanger of interior machine removes condensation efficiency, when being completed except condensation, described in recovery
While not opening electric expansion valve to the initial opening of interior machine, it is also necessary to the blower fan of interior machine is not opened described in closing, in this way, section
The about energy.
It is understood that can be in not opened described in recovering in the blower fan for not opening interior machine described in opening
The electric expansion valve of machine is closed to before initial opening, and the electric expansion valve of interior machine can not also be opened described in recover to initial
Close after aperture, can also with recover described in do not open electric expansion valve to the initial opening of interior machine the step of and meanwhile perform.
In embodiments of the present invention, after terminating except condensation, not only recover not open the electric expansion valve of interior machine to initial
Aperture, the blower fan for not opening interior machine is also turn off, the wasting of resources can be prevented, effectively improve the utilization rate of resource.
Reference picture 6, the 5th embodiment of the control method of multi-split air conditioner provided by the invention, based on above-mentioned Fig. 2 institutes
The embodiment shown, the control method of the multi-split air conditioner include：
Step S100, when detecting that the heat exchange temperature for not opening interior machine is more than or equal to the second preset temperature, judge
Except condensation is completed, wherein, second preset temperature is more than first preset temperature.
When detecting that the heat exchange temperature for not opening interior machine is more than or equal to the second preset temperature, judge except condensation is completed
Specific refinement flow include：Threeth temperature of the heat exchanger for not opening interior machine during except condensation is obtained in real time；Judge institute
State whether the 3rd temperature is more than or equal to the second preset temperature；
When the 3rd temperature is more than or equal to the second preset temperature, judge except condensation is completed.
Condensation effect is removed in order to ensure to reach certain, the default heat exchanger for not opening interior machine can produce with the environment
The critical value of condensation, namely second preset temperature, when the heat exchange temperature for not opening interior machine is more than or equal to described second
During preset temperature, the surface condensation of the heat exchanger is removed；And the heat exchange temperature that ought not open interior machine is less than second and preset
During temperature, the surface of the heat exchanger does not remove.
It is understood that the present embodiment is equally applicable in the embodiment described in above-mentioned Fig. 3, Fig. 4 and Fig. 5.
The second preset temperature is set in the present embodiment, and by detecting second temperature to be compared with the second predicted temperature,
When second temperature is more than second predicted temperature, judge except condensation is completed, in this way, the electronic expansion of interior machine will can not opened
Valve opening is recovered to initial position, and closes the blower fan for not opening interior machine, and realization, which automatically controls, does not open interior machine except condensation terminates
Electric expansion valve recovers to initial position afterwards, and closes blower fan, avoids the loss of energy from wasting.
Based on the embodiment shown in above-mentioned Fig. 2, judge except the mode bag that condensation is completed may comprise steps of：Step
S110, after the prefixed time interval of aperture second of the electric expansion valve during interior machine is not opened in increase, judge except condensation is completed, its
In, first prefixed time interval is less than second prefixed time interval.Namely preset except required when condensation is completed
The duration wanted, when the aperture for the electric expansion valve that interior machine is not opened in increase remove condensation, after being spaced the first preset time, sentence
The disconnected condensation that removes is completed.
It is understood that it can also judge after opening does not open the prefixed time interval of blower fan the 3rd of interior machine except solidifying
Dew is completed.Wherein, the 3rd preset time includes any desired value, and preferably described 3rd preset time can be 5min.
It is contemplated that it can also be judged by surface moisture except condensation is completed, namely in detecting and not opening
When the humidity of the heat exchanger outer surface of machine is less than the first default humidity, judge except condensation is completed, or, it can also detect not
When the heat exchanger aridity of machine is more than the first default aridity in unlatching, judge except condensation is completed.
It is specific logical by determining whether behind temperature, humidity or default very first time interval except condensation is completed in the present embodiment
Cross and do not open temperature when whether interior machine temperature reaches no condensation or humidity when whether humidity/aridity reaches no condensation/
Aridity come determine whether except condensation complete, or by except after condensation certain time length determine except condensation complete, the not only degree of accuracy
Height, and avoid the waste of energy.
Reference picture 7, the sixth embodiment of the control method of multi-split air conditioner provided by the invention, based on above-mentioned Fig. 2 institutes
The embodiment shown, the control method of the multi-split air conditioner include：
Step S120, after the enabling signal for receiving interior machine, judge whether not open interior machine；
When multi-split air conditioner starts, interior machine sends and enables signals to outer machine, and often one interior machine of startup can receive one and open
Dynamic signal, in this way, the total quantity that can be started by interior machine and one drags the interior machine total quantity in more air-conditionings to contrast, is judged whether
Not actuated interior machine；Or it is each in corresponding one of machine start order, can be according to not connecing in this way, when interior machine sends enabling signal
Machine is not actuated in startup command determination which platform received, wherein, it can be concrete model or ID of interior machine etc. to start order.
Step S130, there is when not opening interior machine, whether detection multi-split air conditioner is in defrosting or oil return state；
One drags more air-conditionings when heating circulation, because the heat exchanger of outdoor unit is in evaporating state, if having low temperature for a long time
Refrigerant flows through, and the heat exchanger of outdoor unit easily forms frost, or when interior captain's time is in low frequency heating, can within a certain period of time
Switch to the inverse circulation oil return process of high frequency, it is thus desirable to carry out periodically defrosting or oil return to outdoor unit.Therefore, detection one is dragged more empty
It is to heat enabling signal or cooling activation information when can be started according to interior machine when whether adjusting device in defrosting or oil return state,
If being heating enabling signal when starting, and detect that interior machine be in refrigeration mode after a period of time, then judge its be in defrost or
Oil return state.
Detecting multi-split air conditioner be in defrosting or oil return state, and detect defrosting or oil return at the end of, hold
The step of increasing the aperture for not opening the electric expansion valve in interior machine described in row step S10.
It is understood that the present embodiment is equally applicable in the embodiment described in above-mentioned Fig. 3, Fig. 4, Fig. 5 and Fig. 6.
In the present embodiment, first judge whether that interior machine is not actuated, then judge whether by defrosting or oil return state, to open
The condensation that removes of the dynamic heat exchanger for not opening interior machine works.In this way, by judging whether to need to carry out removing condensation work again after removing condensation
Make, avoid the waste of energy, improve the utilization rate of energy.
The present invention also proposes a kind of multi-split air conditioner, and the multi-split air conditioner includes：Memory, processor and it is stored in
On the memory and the computer program that can run on the processor, the computer program is by the computing device
Each step of the control method of the multi-split air conditioner described in example is performed as described above in Shi Shixian.
In addition, the embodiment of the present invention also proposes a kind of storage medium, multi-split air conditioner is stored with the storage medium
Control program, one dragging as described in above-mentioned embodiment is realized when the control program of the multi-split air conditioner is executed by processor
Each step of the control method of multi-air-conditioner.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone,
Computer, server, air conditioner, or network equipment etc.) perform method described in each embodiment of the present invention.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or system.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
- A kind of 1. control method of multi-split air conditioner, it is characterised in that the control method of the multi-split air conditioner include with Lower step：At the end of defrosting or oil return is detected, the aperture of the electric expansion valve in interior machine is not opened in increase, is not opened with removing Condensation on the heat exchanger of interior machine；When being completed except condensation, recover described in do not open the electric expansion valve of interior machine to initial opening.
- 2. the control method of multi-split air conditioner as claimed in claim 1, it is characterised in that the control of the multi-split air conditioner Method processed also includes：At the end of defrosting or oil return is detected, the first temperature of the heat exchanger for not opening interior machine is obtained；Judge whether first temperature is less than or equal to the first preset temperature；When first temperature is less than or equal to the first preset temperature, the electronic expansion for increasing and not opening in interior machine is performed The step of aperture of valve.
- 3. the control method of multi-split air conditioner as claimed in claim 2, it is characterised in that the increase is not opened in interior machine Electric expansion valve aperture the step of after, in addition to：After the first prefixed time interval, the second temperature of the heat exchanger of interior machine is not opened described in acquisition, wherein, second temperature Degree is more than first temperature；Judge whether the second temperature is more than the first preset temperature；When the second temperature is more than the first preset temperature, the blower fan of interior machine is not opened described in unlatching, is not opened with removing interior Condensation on the heat exchanger of machine.
- 4. the control method of multi-split air conditioner as claimed in claim 2, it is characterised in that described to judge first temperature After the step of whether being less than or equal to the first preset temperature, in addition to：When first temperature is more than the first preset temperature, the aperture of the electric expansion valve in interior machine is not opened in increase, and is opened The blower fan for not opening interior machine is opened, to remove the condensation do not opened on the heat exchanger of interior machine.
- 5. the control method of the multi-split air conditioner as described in claim 3 or 4, it is characterised in that described to be completed except condensation When the step of after, the control method of the multi-split air conditioner also includes：The blower fan of interior machine is not opened described in closing.
- 6. the control method of the multi-split air conditioner as described in claim 2-4 any one, it is characterised in that described one drag it is more The control method of air conditioner also includes：When detecting that the heat exchange temperature for not opening interior machine is more than or equal to the second preset temperature, judge except condensation is completed, its In, second preset temperature sets temperature more than first preset temperature.
- 7. the control method of the multi-split air conditioner as described in claim 2-4 any one, it is characterised in that described one drag it is more The control method of air conditioner also includes：After the prefixed time interval of aperture second of the electric expansion valve during interior machine is not opened in increase, judge except condensation is completed, its In, first prefixed time interval is less than second prefixed time interval.
- 8. the control method of the multi-split air conditioner as described in claim 1-4 any one, it is characterised in that described one drag it is more The control method of air conditioner also includes：After the enabling signal for receiving interior machine, judge whether not open interior machine；Have when not opening interior machine, whether detection multi-split air conditioner is in defrosting or oil return state；Multi-split air conditioner is being detected in defrosting or oil return state, and at the end of defrosting or oil return is detected, is performing institute The step of stating the aperture for increasing the electric expansion valve do not opened in interior machine.
- 9. a kind of multi-split air conditioner, it is characterised in that the multi-split air conditioner includes memory, processor and is stored in institute The computer program that can be run on memory and on the processor is stated, when the computer program is by the computing device The step of realizing the control method of the multi-split air conditioner as described in claim 1-8 any one.
- 10. a kind of storage medium, it is characterised in that the control program of multi-split air conditioner, institute are stored with the storage medium State realized when the control program of multi-split air conditioner is executed by processor as any one of claim 1 to 8 one drag it is more The step of control method of air conditioner.
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| CN111397176A (en) * | 2020-03-17 | 2020-07-10 | 珠海格力电器股份有限公司 | High-temperature refrigeration control method and device and air conditioning equipment |
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